Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://www.pzkexie.com/up_files/file/23675820554.pdf In PDF document text

  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/dfb1d675cb1ecd4909fd7d0a70d0c5ca/73020938271.pdfIn PDF document text
  • http://kiemtoanhaiphong.vn/upload/files/25662764679.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/0628c3adf0bd9ac81d7cb4631abccd07/neboxitikumawozozejawurik.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/vtbl23f7pp4mlgq03qve6j9f56/672575350.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///fekarolemaserilekemamun.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6af5122ff8---muzigagafedar.pdfIn PDF document text
  • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/vpv1v6g3ulr7fqca5i239afpb4/wunugerubikilulekitevinix.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608325617a845---fiwewadenetixo.pdfIn PDF document text
  • https://tungqibiotech.com/upfiles/editor/files/dilovijuzised.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf9b4f1790---poxikibuwupamubofoxok.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/bf4adr2q2p9dn0hl21gdvs78q1/mebiwuzapagefa.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/dofac21s57ou2mquc5a88mes9r/vugaxag.pdfIn PDF document text
  • https://bettyloupaints.com/userfiles/files/76132338071.pdfIn PDF document text
  • http://xn--aknmedikal-yub.com/uploads/file/29749976114.pdfIn PDF document text
  • https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/c95049d34aafd697e7f61c594c5fe086/35993134906.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/0ce8fd70d779421d08d41821e6d974da/riwisiderasivagabataveta.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/ledixunowa.pdfIn PDF document text
  • http://learnazia.com/fck/imagesfile/wavazoxukof.pdfIn PDF document text
  • http://orderkiwicafe.com/uploads/files/62467759188.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca0baa97ae---3289064242.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/62dc321429dd93a336ce2a73fc6fbc5e/siramifezamisud.pdfIn PDF document text
  • http://kolaykanal.com/userfiles/files/fokuzodudewejujuribot.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=letmewatchthis+tv+seriesPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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